AN ART NOUVEAU ENAMEL & DIAMOND BROOCH Of circular outline, the blue & red plique-à-jour enamel plaque set with twin wheat sheaves & scrolling foliate designs, each centering upon a rose or old mine-cut diamond accent, mounted in gold, circa
An aquamarine, diamond, cultured pearl and plique-à-jour enamel pendant with 18 karat gold long chain with English hallmarks; pendant mounted in 18 karat gold and silver; This is why Art Nouveau is called art.
Art Nouveau brooch/pendant - c. 1900 - Featuring an elegant and elaborate floral motif, this antique pairs carefully crafted yellow gold with enamel - including an enchanting, transparent plique-a-jour backdrop - depicts a single pink-toned poppy flower
An Art Nouveau plique-à-jour enamel, diamond and pearl brooch, circa Depicting a rose-cut diamond sun setting over water with rose diamond clouds overhead, in a ground of blue, rose and green plique-à-jour enamel.
Art Nouveau Gold, Silver, Plique-a-Jour Enamel, Diamond and Pearl Brooch The openwork circular brooch featuring a red and green plique-a-jour enamel fan atop a gold and red and green plique-a-jour enamel scrolling leaf motif, accented by rose-cut diamon
An Art Deco diamond and rock crystal brooch, Lacloche Frères, French, circa 1920. Designed as a carved rock crystal plaque, enhanced by pierced and openwork pavé-set diamond detail, centring an old-cut diamond; signed Lacloche Frères, Paris, with fitted box; mounted in platinum.